NEMA #s

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Author:
KeGrant
ID:
253590
Filename:
NEMA #s
Updated:
2014-01-26 20:18:35
Tags:
NEMA
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Description:
NEMA #s
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  1. What is NEMA Device # 5
    Stopping Device
  2. What is NEMA Device # 12
    Overspeed Device
  3. What is NEMA Device # 32
    Directional Power Relay
  4. What is NEMA Device # 38
    Bearing Protective Device
  5. What is NEMA Device # 40
    Field Relay
  6. What is NEMA Device # 41
    Field Circuit Breaker
  7. What is NEMA Device # 43
    Manual Transfer or Selector Switch
  8. What is NEMA Device # 49
    Machine or Transformer Thermal Relay
  9. What is NEMA Device # 50
    Instantaneous Overcurrent Relay
  10. What is NEMA Device # 51
    AC Timed Overcurrent Relay
  11. What is NEMA Device # 59
    Overvoltage Relay
  12. What is NEMA Device # 63
    Pressure Switch
  13. What is NEMA Device # 65
    Governor
  14. What is NEMA Device # 79
    AC Reclosing Relay
  15. What is NEMA Device # 86
    Lockout Relay
  16. What is NEMA Device # 87
    Differential Relay
  17. What is NEMA Device # 1
    Master Element
  18. What is NEMA Device # 15
    Speed - or Frequency, Matching Device
  19. What is NEMA Device # 27
    Undervoltage Relay
  20. What is NEMA Device # 74
    Alarm Relay
  21. What is NEMA Device # 90
    Regulating Device
  22. What are NEMA Device #s
    Device function numbers standardized by IEEE
  23. Define shutdown: 5A
    Non-Lockout Partial Shutdown to SNL With Overspeed
  24. Define shutdown: 5B
    Non-Lockout Partial Shutdown to SNL WithOUT Overspeed
  25. Define shutdown: 5C
    Non-Lockout Unload Trip Without Overspeed
  26. Define shutdown: 86N
    Normal Lockout Shutdown
  27. Define shutdown: 86G
    Generator Primary Lockout Shutdown
  28. Define shutdown: 86GS
    Generator Standby Lockout Shutdown
  29. What is NEMA Device # 21
    Distance Relay
  30. What is NEMA Device # 64
    • Ground Detector Relay
    • -2 Field Grounds cause a short circuit
  31. What is NEMA Device # 48
    Incomplete Sequence Relay

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